Modular knee extension device



FIG. 1 illustrates a perspective view of an exemplary use of a modular knee extension device showing an embodiment of the design, the modular knee extension device illustrated in a flat, supine configuration.

FIG. 2 illustrates a top, right perspective view thereof;

FIG. 3 illustrates a front elevation view thereof;

FIG. 4 illustrates a rear elevation view thereof;

FIG. 5 illustrates a bottom plan view thereof;

FIG. 6 illustrates a top plan view thereof;

FIG. 7 illustrates a right side elevation view thereof;

FIG. 8 illustrates a left side elevation view thereof;

FIG. 9 illustrates a top, right perspective view of the modular knee extension device disassembled in a flat, supine configuration;

FIG. 10 illustrates a front elevation view thereof;

FIG. 11 illustrates a rear elevation view thereof;

FIG. 12 illustrates a top plan view thereof;

FIG. 13 illustrates a bottom plan view thereof;

FIG. 14 illustrates a right side elevational view thereof;

FIG. 15 illustrates a left side elevational view thereof;

FIG. 16 illustrates a top, right perspective view of a first section of the modular knee extension device, the first section of a modular knee extension device illustrated in a flat, supine configuration;

FIG. 17 illustrates a front elevational view thereof;

FIG. 18 illustrates a rear elevational view thereof;

FIG. 19 illustrates a top plan view thereof;

FIG. 20 illustrates a bottom plan view thereof;

FIG. 21 illustrates a right side elevational view thereof;

FIG. 22 illustrates a left side elevational view thereof;

FIG. 23 illustrates a perspective view of an exemplary use of a second section of the modular knee extension device, the second section of the modular knee extension device illustrated in a flat, supine position;

FIG. 24 illustrates a top, right perspective view of the second section of the modular knee extension device, the second section of a modular knee extension device illustrated in a flat, supine configuration;

FIG. 25 illustrates a front elevational view thereof;

FIG. 26 illustrates a rear elevational view thereof;

FIG. 27 illustrates a top plan view thereof;

FIG. 28 illustrates a bottom plan view thereof;

FIG. 29 illustrates a right side elevational view thereof; and,

FIG. 30 illustrates a left side elevational view thereof.

In the drawings, the broken lines of FIG. 1 and FIG. 23 showing a human figure is for the purpose of illustrating a potential environment of the embodiment incorporating the new design and therefore form no part of the claimed design. The broken lines shown throughout the drawings illustrate portions of the modular knee extension device and form no part of the claimed design. 

CLAIM The ornamental design for a modular knee extension device, as shown and described. 